A tower of colorful sheep. Credits to Megrafa.
Note: Minify the command to avoid issues :)
Spellbook Part I (FINAL)
HyperCube
No Mobs/Arrows/EnderCrystals/Fireworks/Drop Items mod
Forever Mob Burner
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)